From owner-freebsd-hackers@FreeBSD.ORG Mon Nov 22 19:10:48 2010 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 60CD31065674 for ; Mon, 22 Nov 2010 19:10:48 +0000 (UTC) (envelope-from krivenok.dmitry@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 0E5F88FC1A for ; Mon, 22 Nov 2010 19:10:47 +0000 (UTC) Received: by iwn39 with SMTP id 39so8931251iwn.13 for ; Mon, 22 Nov 2010 11:10:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=hxuQkIaKprapMaaCm3/QAbBUKBeGSZC/+7zoXaMkK88=; b=Cg9vxglW3focakqeVvWoFiCHDsddp9m1bwf1xTuSNwTgc3s/uAgbY6YjXk/U58FJJo u8bk+ERpr/ZkcNadwmvzYZRjqruKdC9oeg1zVaKQnPpEq0CqavxFCXtDhbVtdQiqFWvD 2jSRv7LQjpdkDdBB30XF0suFu1sMPacqx2jhc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=jj/St1ec61U/U6DSDExcG5tWHDClDVYy5tApKiULmNVp7W8nXNcY7QBV1RjUSU24hS dYt+YgMrAOpQ9+xmsT1watl6MlD5rNeBigRF+gRrVeE3eAi9K4xIMgeaZk+yFjfp6SRw 1i5QvJDOwE/jNbieTN37pKCQMgYBgtw0PsEaQ= MIME-Version: 1.0 Received: by 10.231.37.6 with SMTP id v6mr7286255ibd.46.1290453046476; Mon, 22 Nov 2010 11:10:46 -0800 (PST) Received: by 10.231.152.2 with HTTP; Mon, 22 Nov 2010 11:10:46 -0800 (PST) In-Reply-To: References: Date: Mon, 22 Nov 2010 22:10:46 +0300 Message-ID: From: Dmitry Krivenok To: Garrett Cooper Content-Type: text/plain; charset=ISO-8859-1 Cc: freebsd-hackers@freebsd.org Subject: Re: printf doesn't work from kernel modules X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 22 Nov 2010 19:10:48 -0000 Just tried dys_sysctl. It doesn't work as well. Below are the results I got: root@olimpico-freebsd 22:04:17 /usr/share/examples/kld/dyn_sysctl # [0] uname -a FreeBSD olimpico-freebsd 8.1-RELEASE FreeBSD 8.1-RELEASE #0: Mon Nov 22 21:35:15 MSK 2010 root@olimpico-freebsd:/usr/obj/usr/src/sys/GENERIC i386 root@olimpico-freebsd 22:04:20 /usr/share/examples/kld/dyn_sysctl # [0] kldstat Id Refs Address Size Name 1 1 0xc0400000 bb5504 kernel root@olimpico-freebsd 22:04:24 /usr/share/examples/kld/dyn_sysctl # [0] dmesg | tail -n 3 ums0: 3 buttons and [XYZ] coordinates ID=0 ugen2.2: at usbus2 em0: link state changed to UP root@olimpico-freebsd 22:04:39 /usr/share/examples/kld/dyn_sysctl # [0 0] make load /sbin/kldload -v /usr/share/examples/kld/dyn_sysctl/dyn_sysctl.ko Loaded /usr/share/examples/kld/dyn_sysctl/dyn_sysctl.ko, id=2 root@olimpico-freebsd 22:04:49 /usr/share/examples/kld/dyn_sysctl # [0] kldstat Id Refs Address Size Name 1 2 0xc0400000 bb5504 kernel 2 1 0xc855d000 3000 dyn_sysctl.ko root@olimpico-freebsd 22:04:53 /usr/share/examples/kld/dyn_sysctl # [0] dmesg | tail -n 3 ums0: 3 buttons and [XYZ] coordinates ID=0 ugen2.2: at usbus2 em0: link state changed to UP root@olimpico-freebsd 22:04:57 /usr/share/examples/kld/dyn_sysctl # [0 0] make unload /sbin/kldunload -v dyn_sysctl.ko Unloading dyn_sysctl.ko, id=2 root@olimpico-freebsd 22:05:04 /usr/share/examples/kld/dyn_sysctl # [0] kldstat Id Refs Address Size Name 1 1 0xc0400000 bb5504 kernel root@olimpico-freebsd 22:05:07 /usr/share/examples/kld/dyn_sysctl # [0] dmesg | tail -n 3 ums0: 3 buttons and [XYZ] coordinates ID=0 ugen2.2: at usbus2 em0: link state changed to UP root@olimpico-freebsd 22:05:09 /usr/share/examples/kld/dyn_sysctl # [0 0] Please note that I run standard example on default 8.1 kernel (GENERIC). Dmitry > > Which example did you try and run (it looks like the dyn_sysctl test > would be a good one to try)? > -Garrett